Red nucleus

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

The red nucleus or nucleus ruber is a structure in the rostral midbrain involved in motor coordination. The red nucleus is pale pink, which is believed to be due to the presence of iron in at least two different forms: hemoglobin and ferritin.

Excerpt from the Wikipedia article “Red nucleus”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: John A Beal, PhD Dep't. of Cellular Biology & Anatomy, Louisiana State University Health Sciences Center Shreveport, CC BY 2.5, via Wikimedia Commons.